import java.util.Scanner;
public class GuessNumber {
    public static void main(String[] args) {
        int answer = (int)(Math.random()*100+1);
        Scanner scan = new Scanner(System.in);
        String playAgain;
        do {
            while (true) {
                System.out.println("请猜一个1-100之间的整数(包含1和100):");
                int guess = scan.nextInt();
                if (guess > answer) {
                    System.out.println("大了!");
                } else if (guess < answer) {
                    System.out.println("小了!");
                } else {
                    System.out.println("恭喜你!答对啦!");
                    break;
                }
            }
            System.out.println("要不要再玩一次(y/n)");
            playAgain = scan.next();
        }
            while (playAgain.equalsIgnoreCase("y")) ;
            System.out.println("游戏结束!");
    }
}